Ruby Vintage NOS Tubes for sale

Ruby EL34 Matched Quartet Power Tubes – Set of 4, Tested & Matched
Pre-Owned · Ruby
S$ 96.11
S$ 77.89 shipping
0 bids
1d
6L6GCM-STR RUBY PAIR POWER TUBES TEST EXCELLENT NO RESERVE
Pre-Owned · Ruby
S$ 25.98
S$ 39.54 shipping
3 bids
4h 59m
Ruby Tubes KT 88 QUAD Matched by Ruby
Brand New · Ruby
S$ 192.02
S$ 86.30 shipping
0 bids
3d 4h
Ruby 6L6GCMSTR Power Vacuum Tubes
Brand New · Ruby
S$ 83.81
S$ 25.66 shipping
6L6GC ELECTRON TUBE RUBY 6L6GCC POWER TUBE TESTS EXCELLENT NO RESERVE
Pre-Owned · Ruby
S$ 15.72
S$ 39.21 shipping
2 bids
5h 19m
NEW Ruby EL84 Power tubes MATCHED QUAD (4) - TESTED EL-84 Valves
Brand New · Ruby
S$ 90.22
S$ 30.76 shipping
19 watching
Vintage Matched Pair Ruby Tubes EL34BHT / EL34 / 6CA7 Mullard Copy EXCELLENT
New (Other) · Ruby
S$ 293.34
or Best Offer
S$ 42.99 shipping
RUBY 6L6GC-MSTR Russia Amplifier Power Output Tube - USED Tested NOS
Brand New · Ruby
S$ 22.16
or Best Offer
S$ 20.15 shipping
Ruby 6L6GCM-STR Tested Like NOS Tube
Pre-Owned · Ruby
S$ 31.36
S$ 27.03 shipping
RUBY 6L6GC Tested Strong Tube
Pre-Owned · Ruby
S$ 17.39
or Best Offer
S$ 27.03 shipping
VACUUM TUBES (4 Total) - RUBY 6L6GCMSTR
New (Other) · Ruby
S$ 167.62
S$ 47.21 shipping
RUBY 7025 SS / 12AX7A HG Preamp Pair Set NO LONGER MADE RARE!
Pre-Owned · Ruby
S$ 82.41
S$ 37.35 shipping
Ruby Tubes, 6L6GC STR, Pair (New Old Stock)
New (Other) · Ruby
S$ 69.83
S$ 47.83 shipping
2 X 6L6GC RUBY TUBE. COPPER RODS. 90/102% MATCHED PAIR. USED. 7. CH117
Pre-Owned · Ruby
S$ 101.52
S$ 30.72 shipping
Matched Pair of KT-100-C NOS KT100C KT100
Brand New · Ruby
S$ 139.61
S$ 72.15 shipping
Ruby Tubes EL34BSTR - Single Tube - New in Box
Brand New · Ruby
S$ 118.73
or Best Offer
S$ 49.81 shipping
RUBY 6L6GC TUBE (affordable RUSSIA-made tested strong)
Pre-Owned · Ruby
S$ 20.95
S$ 35.69 shipping
Ruby 6L6GCMSTR Pair
S$ 41.91
S$ 46.93 shipping
3 X 6L6GCMSTR RUBY TUBE. SOLID GETTER. 94/102/95% MATCHED TRIO. USED. 15. CH117
Brand New · Ruby
S$ 203.06
S$ 37.06 shipping
Ruby 6V6GT STR Tube Pair Tests New
Pre-Owned · Ruby
S$ 50.29
S$ 36.75 shipping
6V6GTA R Ruby Matched Pair (2) Tubes - Tested Good
Pre-Owned · Ruby
S$ 83.81
S$ 42.72 shipping
Ruby tubes EL84 Matched Pair
S$ 90.79
or Best Offer
S$ 44.74 shipping
Ruby 5Y3GTC Rectifier Tube
New (Other) · Ruby
S$ 20.95
or Best Offer
S$ 37.99 shipping
TV-7 TESTED VINTAGE RUBY? EL84 / 6BQ5 POWER OUTPUT PENTODE TUBE
S$ 30.66
S$ 29.91 shipping
6550 Ruby Large Bulb Tube - Tested Good
Pre-Owned · Ruby
S$ 41.91
S$ 41.49 shipping
2 X 6L6GC RUBY TUBE. COPPER RODS. 97/92% MATCHED PAIR. USED. 8. CH117
Pre-Owned · Ruby
S$ 101.52
S$ 30.72 shipping
EL34 6CA7 Ruby J/J Audio Receiver Power Amplifier Vacuum Tube Tested One
Pre-Owned · Ruby
S$ 46.08
or Best Offer
S$ 43.51 shipping
1 NOS Ruby Tube 6L6GCSTR
S$ 76.83
or Best Offer
S$ 44.32 shipping
Ruby 12 At7
Pre-Owned · Ruby
S$ 20.95
S$ 40.86 shipping
New ListingRuby 6L6GC Tube, Brand New, NOS. Rated PC: 37, TC: 3150
Brand New · Ruby
S$ 25.63
S$ 35.20 shipping
0 bids
9d 22h
Vintage Ruby 6L6 Tube Untested
Pre-Owned · Ruby
S$ 16.76
S$ 41.08 shipping
Ruby 12AX7AC5 HG+ Preamp Vacuum Tube *** TRIO / PREMIUM TESTED ***
Ruby 12AX7AC5 HG+ Preamp Vacuum Tube *** TRIO / PREMIUM
Brand New · Ruby
S$ 134.10
or Best Offer
S$ 48.89 shipping
6L6 RUBY Matched Quad
6L6, RUBY, MATCHED QUAD, RUBY6L6
Brand New · Ruby
S$ 174.60
S$ 41.91 shipping
6L6GE-STR Power Vacuum Tube MATCHED QUAD
6L6GE-STR Power Vacuum Tube MATCHED QUAD *VERY LIMITED*
Brand New · Ruby
S$ 167.62
or Best Offer
S$ 41.91 shipping
RUBY 6550ASTR Power Vacuum Tube MATCHED PAIR SHUGUANG
RUBY 6550ASTR Power Vacuum Tube SHUGUANG NEW PRODUCTION
Brand New · Ruby
S$ 156.45
or Best Offer
S$ 55.87 shipping
Ruby 12AX7AC5 HG+ Preamp Vacuum tube
SHUGUANG NEW PRODUCTION 2024 RUBY 12AX7AC5 HG+
Brand New · Ruby
S$ 41.91
or Best Offer
S$ 41.91 shipping
Ruby 12AX7AC5 HG Preamp Vacuum Tube *TRIO*
Ruby 12AX7AC5 HG Preamp Vacuum Tube
Brand New · Ruby
S$ 125.72
or Best Offer
S$ 48.89 shipping
RUBY 6550ASTR Power Vacuum Tube SHUGUANG MATCHED QUAD
RUBY 6550ASTR Power Vacuum Tube SHUGUANG NEW PRODUCTION
Brand New · Ruby
S$ 312.89
or Best Offer
S$ 55.87 shipping
RUBY KT88STR Power Vacuum Tube MATCHED PAIR
RUBY KT88STR Power Vacuum Tube SHUGUANG NEW PRODUCTION
Brand New · Ruby
S$ 146.67
or Best Offer
S$ 55.87 shipping
RUBY 6550ASTR Power Vacuum Tube SHUGUANG MATCHED SEXTET
RUBY 6550ASTR Power Vacuum Tube SHUGUANG NEW PRODUCTION
Brand New · Ruby
S$ 434.43
or Best Offer
S$ 51.26 shipping
Ruby 12AX7AC5 HG Preamp Vacuum tube
ECC83 SHUGUANG NEW PRODUCTOIN 2024
Brand New · Ruby
S$ 33.52
or Best Offer
S$ 41.91 shipping
Ruby 12AX7AC5 HG+678 Preamp Vacuum Tube ***HG+678 PREMIUM TESTED***
Ruby 12AX7AC5 HG+678 Preamp Vacuum Tube ***HG+678 PREMI
Brand New · Ruby
S$ 44.70
or Best Offer
S$ 41.91 shipping
6L6GCMSTR Power Vacuum Tube MATCHED SEXTET
6L6GCMSTR Power Vacuum Tube MATCHED SEXTET RUBY TUBES
Brand New · Ruby
S$ 268.19
or Best Offer
S$ 55.87 shipping
Ruby 5U4GB
Ruby 5U4GB, rubytubes
Brand New · Ruby
S$ 25.84
or Best Offer
S$ 35.84 shipping
RUBY ECC83S / 12AX7 Preamp Matched Pair Set
Brand New · Ruby
S$ 55.87
S$ 42.31 shipping
19 watching
RUBY 6550ASTR Power Vacuum Tube SHUGUANG MATCHED OCTET
RUBY 6550ASTR Power Vacuum Tube SHUGUANG NEW PRODUCTION
Brand New · Ruby
S$ 576.68
or Best Offer
S$ 51.26 shipping
Ruby 12AX7AC5 HG+ Preamp Vacuum Tube PAIR / PREMIUM TESTED
Ruby 12AX7AC5 HG+ Preamp Vacuum Tube PAIR / PREMIUM TE
Brand New · Ruby
S$ 86.60
or Best Offer
S$ 48.89 shipping
Vintage Ruby 12AX7 AC5 Preamp Vacuum Tube Tested Electronic Radio Amplifier
Pre-Owned · Ruby
S$ 46.10
or Best Offer
S$ 41.35 shipping
PAIR TUBES NOS RUBY ECC81 12AT7 TESTED GOOD
Pre-Owned · Ruby
S$ 34.92
S$ 40.30 shipping
Ruby 12AX7AC5 HG Preamp Vacuum Tube / PAIR
Ruby 12AX7AC5 HG Preamp Vacuum Tube / MATCHED PAIR
Brand New · Ruby
S$ 83.81
or Best Offer
S$ 48.89 shipping
Vintage Ruby Brand 12AX7AC7 Vacuum Tube 12AX7 AC7 Vacuum Tube Tested Good Preamp
Pre-Owned · Ruby
S$ 27.94
or Best Offer
S$ 41.35 shipping
Triode Vacuum tube integrated amplifier TRIODE Ruby JAPAN
Brand New · Ruby
S$ 2,029.32
S$ 208.88 shipping
Triode Vacuum tube type integrated amplifier TRIODE Ruby
Brand New · Ruby
S$ 2,034.00
or Best Offer
S$ 512.60 shipping
JJ KT88 Power Vacuum Tube MATCHED OCTET
JJ KT88 Power Vacuum Tube MATCHED OCTET
Brand New · Ruby
S$ 615.12
or Best Offer
S$ 51.26 shipping
JJ KT88 Power Vacuum Tube MATCHED PAIR
JJ KT88 Power Vacuum Tube RUBY TUBES
Brand New · Ruby
S$ 167.62
or Best Offer
S$ 55.87 shipping
6L6GE-STR Power Vacuum Tube Matched Pair
6L6GE-STR Power Vacuum Tube Matched Pair * LIMITED*
Brand New · Ruby
S$ 97.78
or Best Offer
S$ 48.89 shipping
Ruby 12AX7AC5 HG Preamp Vacuum Tube * SINGLE *
Ruby 12AX7AC5 HG Preamp Vacuum Tube * TESTED *
Brand New · Ruby
S$ 41.91
or Best Offer
S$ 48.89 shipping
JJ KT88 Power Vacuum Tube MATCHED SEXTET
JJ KT88 Power Vacuum Tube RUBY TUBES
Brand New · Ruby
S$ 461.34
or Best Offer
S$ 51.26 shipping
Ruby 12AX7AC5 HG+ Preamp Vacuum Tube *** PREMIUM TESTED ***
Ruby 12AX7AC5 HG+ Preamp Vacuum Tube *** PREMIUM TESTED
Brand New · Ruby
S$ 44.70
or Best Offer
S$ 48.89 shipping
Ruby 12AX7AC5 HG+123 Preamp Vacuum Tube HG+123 PREMIUM TESTED
Ruby 12AX7AC5 HG Preamp Vacuum Tube HG+123 PREMIUM TEST
Brand New · Ruby
S$ 44.70
or Best Offer
S$ 41.91 shipping

Ruby Vintage NOS Tubes

58 results

Ruby EL34 Matched Quartet Power Tubes – Set of 4, Tested & Matched

6L6GCM-STR RUBY PAIR POWER TUBES TEST EXCELLENT NO RESERVE

Ruby Tubes KT 88 QUAD Matched by Ruby

Ruby 6L6GCMSTR Power Vacuum Tubes

6L6GC ELECTRON TUBE RUBY 6L6GCC POWER TUBE TESTS EXCELLENT NO RESERVE

NEW Ruby EL84 Power tubes MATCHED QUAD (4) - TESTED EL-84 Valves

Vintage Matched Pair Ruby Tubes EL34BHT / EL34 / 6CA7 Mullard Copy EXCELLENT

RUBY 6L6GC-MSTR Russia Amplifier Power Output Tube - USED Tested NOS

Ruby 6L6GCM-STR Tested Like NOS Tube

RUBY 6L6GC Tested Strong Tube

VACUUM TUBES (4 Total) - RUBY 6L6GCMSTR

RUBY 7025 SS / 12AX7A HG Preamp Pair Set NO LONGER MADE RARE!

Ruby Tubes, 6L6GC STR, Pair (New Old Stock)

2 X 6L6GC RUBY TUBE. COPPER RODS. 90/102% MATCHED PAIR. USED. 7. CH117

Matched Pair of KT-100-C NOS KT100C KT100

Ruby Tubes EL34BSTR - Single Tube - New in Box

RUBY 6L6GC TUBE (affordable RUSSIA-made tested strong)

Ruby 6L6GCMSTR Pair

3 X 6L6GCMSTR RUBY TUBE. SOLID GETTER. 94/102/95% MATCHED TRIO. USED. 15. CH117

Ruby 6V6GT STR Tube Pair Tests New

6V6GTA R Ruby Matched Pair (2) Tubes - Tested Good

Ruby tubes EL84 Matched Pair

Ruby 5Y3GTC Rectifier Tube

TV-7 TESTED VINTAGE RUBY? EL84 / 6BQ5 POWER OUTPUT PENTODE TUBE

6550 Ruby Large Bulb Tube - Tested Good

2 X 6L6GC RUBY TUBE. COPPER RODS. 97/92% MATCHED PAIR. USED. 8. CH117

EL34 6CA7 Ruby J/J Audio Receiver Power Amplifier Vacuum Tube Tested One

1 NOS Ruby Tube 6L6GCSTR

Ruby 12 At7

New ListingRuby 6L6GC Tube, Brand New, NOS. Rated PC: 37, TC: 3150

Vintage Ruby 6L6 Tube Untested

Ruby 12AX7AC5 HG+ Preamp Vacuum Tube *** TRIO / PREMIUM TESTED ***

6L6 RUBY Matched Quad

6L6GE-STR Power Vacuum Tube MATCHED QUAD

RUBY 6550ASTR Power Vacuum Tube MATCHED PAIR SHUGUANG

Ruby 12AX7AC5 HG+ Preamp Vacuum tube

Ruby 12AX7AC5 HG Preamp Vacuum Tube *TRIO*

RUBY 6550ASTR Power Vacuum Tube SHUGUANG MATCHED QUAD

RUBY KT88STR Power Vacuum Tube MATCHED PAIR

RUBY 6550ASTR Power Vacuum Tube SHUGUANG MATCHED SEXTET

Ruby 12AX7AC5 HG Preamp Vacuum tube

Ruby 12AX7AC5 HG+678 Preamp Vacuum Tube ***HG+678 PREMIUM TESTED***

6L6GCMSTR Power Vacuum Tube MATCHED SEXTET

Ruby 5U4GB

RUBY ECC83S / 12AX7 Preamp Matched Pair Set

RUBY 6550ASTR Power Vacuum Tube SHUGUANG MATCHED OCTET

Ruby 12AX7AC5 HG+ Preamp Vacuum Tube PAIR / PREMIUM TESTED

Vintage Ruby 12AX7 AC5 Preamp Vacuum Tube Tested Electronic Radio Amplifier

PAIR TUBES NOS RUBY ECC81 12AT7 TESTED GOOD

Ruby 12AX7AC5 HG Preamp Vacuum Tube / PAIR

Vintage Ruby Brand 12AX7AC7 Vacuum Tube 12AX7 AC7 Vacuum Tube Tested Good Preamp

Triode Vacuum tube integrated amplifier TRIODE Ruby JAPAN

Triode Vacuum tube type integrated amplifier TRIODE Ruby

JJ KT88 Power Vacuum Tube MATCHED OCTET

JJ KT88 Power Vacuum Tube MATCHED PAIR

6L6GE-STR Power Vacuum Tube Matched Pair

Ruby 12AX7AC5 HG Preamp Vacuum Tube * SINGLE *

JJ KT88 Power Vacuum Tube MATCHED SEXTET

Ruby 12AX7AC5 HG+ Preamp Vacuum Tube *** PREMIUM TESTED ***

Ruby 12AX7AC5 HG+123 Preamp Vacuum Tube HG+123 PREMIUM TESTED

More to explore

Ruby 12AX7AC5 HG+ Preamp Vacuum Tube * TRIO / PREMIUM TESTED *

Ruby 12AX7AC5 HG Preamp Vacuum Tube TRIO

Ruby 12AX7AC5 HG+678 Preamp Vacuum Tube HG+678 PREMIUM TESTED

Ruby 12AX7AC5 HG+ Preamp Vacuum Tube * PREMIUM TESTED *