Audio Tubes
RF Parts Company has good selection of Vintage Audio tubes from Various manufacturers in USA and Overseas. Please check with Sales Staff if you do not see what you are looking for on website. We have many Vintage tubes available and can do our best to see if in our stock. Thanks.
Tube Basics & Questions? See Here
Please choose from the following AUDIO TUBES Sub-Catagory choices:

6L6GC RCA Black Plate Beam Power Amplifier Tube (NOS)
In Stock
The RCA 6L6GC black plate is one of the most sought after power tubes for great audio.
New Old Stock * No longer available for export
MFR: RCA
SKU: 6L6GC-BP-RCA

6L6GB RCA Black Plate Beam Power Amplifier (LHP)
In Stock
- This tube has a Broken Guide Key
Low Hour Pull * No longer available for export
MFR: RCA
SKU: 6L6GB-BP-BGK-LHP

6L6GB Baldwin Black Plate Beam Power Amplifier Tube (LHP)
In Stock
Low Hour Pull * No longer available for export
MFR: Baldwin
SKU: 6L6GB-BALDWIN
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6L6GC Silvertone Black Plate Beam Power Amplifier Tube Matched Pair (2) (NOS)
In Stock
Matched pair of original Silvertone tubes.Tested at RF Parts test lab.
New Old Stock * No longer available for export
MFR: Silvertone
SKU: 6L6GC-SILVER-MP
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6V6G GM Beam Power Tube (LHP)
In Stock
- Voltage: 6.3
- Current: 0.9 Amps
- Bulb: ST-16
- Base: Medium Shell Octal 7-Pin
Low Hour Pull * No longer available for export
MFR: GM - Genuine Parts
SKU: 6V6G-GM-LHP
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6V6G RCA Beam Power Tube (Pull)
In Stock
- Voltage: 6.3
- Current: 0.9 Amps
- Bulb: ST-16
- Base: Medium Shell Octal 7-Pin
Used * No longer available for export
MFR: RCA
SKU: 6V6G-RCA-P
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JAN-CHS-6L6GA Sylvania Black Plate Beam Power Amplifier Tube Matched Pair (2) (NOS)
In Stock
The 6L6GA is a beam power amplifier tetrode designed for use in the output stage of radio receivers or other equipment requiring high power output,
power sensitivity and efficiency. The power output at all levels has low third and negligible higher-order harmonic distortion.
New Old Stock * No longer available for export
MFR: Sylvania
SKU: JAN-CHS-6L6GA-MP

KT66 International Beam Power Amplifier Japan (NOS/NIB)
In Stock
Designed for use in the output stage of an A.F. amplifier, or as a series valve in a stabilized power supply.
- Maximum anode dissipation rating of 30 Watts.
- Size: 3-5/16" High from base bottom to top of Glass envelope,
New Old Stock * New In Box * No longer available for export
MFR: International Servicemaster
Made in Japan
SKU: KT66-INTER
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6L6GC Sylvania Beam Power Amplifier Tube (NOS)
In Stock
The 6L6GC is designed with high power sensitivity and high efficiency for service in the output stages of AC receivers.
They are capable of delivering an output at all power levels with a very low percentage of harmonic distortion.
New Old Stock * No longer available for export
MFR: Sylvania
SKU: 6L6GC-SYL

6L6GC General Electric Beam Power Amplifier Tube Matched Pair (2) (NOS)
In Stock
The 6L6GC is designed with high power sensitivity and high efficiency for service in the output stages of AC receivers.
They are capable of delivering an output at all power levels with a very low percentage of harmonic distortion.
New Old Stock * No longer available for export
MFR: General Electric
SKU: 6L6GC-GE-MP