| TUBE | NEW | USED |
| 6A3 | $28.00 | $18.00 |
| 6A4 | $7.00 | $4.00 |
| 6A5 | $28.00 | $18.00 |
| 6A6 | $7.00 | $4.00 |
| 6A7 | $7.00 | $4.00 |
| 6A8 | $8.00 | $4.00 |
| 6A8G | $11.00 | $5.00 |
| 6A8GT | $8.00 | $4.00 |
| 6AB4 | $4.00 | $2.00 |
| 6AB5 | $19.00 | $7.00 |
| 6AB7 | $4.00 | $3.00 |
| 6AB7Y | $3.00 | |
| 6AB8 | $7.00 | |
| 6AC5G | $11.00 | $6.00 |
| 6AC5 | $7.00 | $3.50 |
| 6AC7 | $3.50 | $1.50 |
| 6AC10 | $5.00 | |
| 6AD4 | $5.00 | |
| 6AD6 | $15.00 | $7.00 |
| 6AD7G | $7.00 | $3.50 |
| 6AD8 | $4.00 | |
| 6AD10 | $7.00 | |
| 6AE5G/GT | $10.00 | $4.00 |
| 6AE6 | $6.00 | |
| 6AE7 | $28.00 | $12.00 |
| 6AF3 | $3.00 | |
| 6AF4 | $4.00 | |
| 6AF6 | $13.00 | $6.00 |
| 6AF9 | $5.00 | |
| 6AF11 | $5.00 | |
| 6AG5 | $2.50 | |
| 6AG6 | $28.00 | $12.00 |
| 6AG7 | $5.00 | $2.50 |
| 6AG9 | $7.00 | |
| 6AG11 | $3.00 | |
| 6AH4 | $7.00 | $4.00 |
| 6AH6 | ||
| 6AH7 | $4.00 | |
| 6AJ5 | $9.00 | |
| 6AJ6 | $3.00 | |
| 6AJ8 | $7.00 | $3.50 |
| 6AJ9 | $5.00 | |
| 6AK5 | $4.00 | |
| 6AK6 | $3.00 | |
| 6AK8 | $7.00 | $3.50 |
| 6AK10 | $5.00 | |
| 6AL5 | $3.00 | |
| 6AL6 | $35.00 | |
| 6AL7 | $6.00 | $2.50 |
| 6AL11 | $5.00 | |
| 6AM4 | $3.00 | |
| 6AM5 | $8.00 | |
| 6AM8 | $5.00 | |
| 6AN4 | $4.00 | |
| 6AN5 | $3.00 | |
| 6AN6 | $2.50 | |
| 6AN8 | $5.00 | $2.50 |
| 6AQ4 | $8.00 | |
| 6AQ5 | $3.00 | |
| 6AQ6 | $3.00 | |
| 6AQ7 | $4.00 | |
| 6AQ8 | $8.00 | $3.50 |
| 6AR6 | $12.00 | $5.00 |
| 6AR8 | $5.00 | |
| 6AR11 | $4.00 | |
| 6AS5 | $2.50 | |
| 6AS6 | $4.00 | |
| 6AS7G | $10.00 | $5.00 |
| 6AS7GA | $7.00 | $4.00 |
| 6AS8 | $4.00 | |
| 6AS11 | $4.50 | |
| 6AT6 | $2.50 | |
| 6AT8 | $3.50 | |
| 6AU4 | $4.00 | |
| 6AU5 | $4.00 | $2.00 |
| 6AU6 | $4.00 | |
| 6AU7 | $5.00 | $2.50 |
| 6AU8 | $4.50 | |
| 6AV5 | $6.00 | $3.00 |
| 6AV6 | $2.50 | |
| 6AV11 | $3.00 | |
| 6AW8 | $4.00 | |
| 6AX3 | $3.00 | |
| 6AX4 | $3.00 | |
| 6AX5 | $4.00 | |
| 6AX6 | $8.00 | $4.00 |
| 6AX7 | $10.00 | $5.00 |
| 6AX8 | $4.00 | |
| 6AY3 | $3.00 | |
| 6AY11 | $3.00 | |
| 6AZ8 | $6.50 | 3.50 |
| 6B4G | $28.00 | 18.00 |
| 6B5 | $14.00 | 7.00 |
| 6B7 | $5.00 | 2.50 |
| 6B8 | $4.00 | 1.50 |
| 6B10 | $6.00 | |
| 6BA5 | $5.00 | |
| 6BA6 | $4.00 | |
| 6BA7 | $6.50 | |
| 6BA8 | $5.00 | |
| 6BA11 | $4.00 | |
| 6BC4 | $3.00 | |
| 6BC7 | $3.00 | |
| 6BC8 | $5.00 | |
| 6BD4 | $3.00 | |
| 6BD5 | $5.00 | |
| 6BD6 | $2.00 | |
| 6BC7 | $5.00 | |
| 6BE3 | $4.00 | |
| 6BE6 | $3.00 | |
| 6BE7 | $3.00 | |
| 6BF5 | $3.00 | |
| 6BF6 | $2.50 | |
| 6BF8 | $3.00 | |
| 6BG6 | $6.00 | |
| 6BG6G | $8.00 | |
| 6BH6 | $3.00 | |
| 6BJ3 | $3.00 | |
| 6BJ5 | $5.00 | |
| 6BJ6 | $3.00 | |
| 6MJ7 | $2.00 | |
| 6BJ8 | $4.00 | |
| 6BK4/A/B | $11.00 | $5.00 |
| 6BK4C | $15.00 | $6.00 |
| 6BK5 | $3.00 | |
| 6BK7 | $5.00 | |
| 6BK8 | $3.00 | |
| 6BL4 | $2.50 | |
| 6BL7 | $5.00 | $2.50 |
| 6BL8 | $5.00 | |
| 6BM8 | $9.00 | $4.50 |
| 6BN5 | $5.00 | |
| 6BN6 | $4.00 | |
| 6BN7 | $5.00 | |
| 6BN8 | $6.50 | |
| 6BQ5 | $16.00 | $7.00 |
| 6BQ6 | $4.00 | |
| 6BQ7 | $5.00 | |
| 6BR3 | $2.00 | |
| 6BR5 | $7.00 | $3.50 |
| 6BR7 | $15.00 | |
| 6BR8 | $4.00 | |
| 6BS3 | $5.00 | |
| 6BS7 | $7.00 | |
| 6BT4 | $5.00 | |
| 6BU8 | $5.00 | |
| 6BV7 | $8.00 | |
| 6BV11 | $5.00 | |
| 6BW3 | $3.50 | |
| 6BW4 | $5.00 | $2.50 |
| 6BW6 | $11.00 | |
| 6BW8 | $2.00 | |
| 6BW11 | $5.00 | |
| 6BX4 | $6.00 | |
| 6BX6 | $2.50 | |
| 6BX7 | $7.00 | $4.00 |
| 6BY5 | $4.00 | |
| 6BY6 | $3.00 | |
| 6BY7 | $3.00 | |
| 6BY8 | $2.50 | |
| 6BZ6 | $4.00 | |
| 6BZ7 | $5.00 | |
| 6BZ8 | $4.50 | |
| 6C4 | $4.00 | $2.00 |
| 6C5 | $4.50 | $2.00 |
| 6C5G | $14.00 | $7.00 |
| 6C6 | $5.00 | $3.00 |
| 6C7 | $10.00 | $5.00 |
| 6C8 | $7.00 | $3.50 |
| 6C9 | $7.00 | |
| 6C10 | $14.00 | $5.00 |
| 6CA4 | $10.00 | $5.00 |
| 6CA5 | $3.00 | |
| 6CA7 | $38.00 | $20.00 |
| 6CB5 | $7.00 | $4.00 |
| 6CB6 | $3.00 | |
| 6CD3 | $6.00 | |
| 6CD6 | $5.00 | |
| 6CD7 | $35.00 | $15.00 |
| 6CE3 | $4.00 | |
| 6CF8 | $12.00 | |
| 6CG3 | $4.00 | |
| 6CG7 | $7.00 | $4.00 |
| 6CH3 | $4.00 | |
| 6CH6 | $12.00 | |
| 6CH8 | $4.00 | |
| 6CJ3 | $4.00 | |
| 6CJ5 | $5.00 | |
| 6CJ6 | $12.00 | |
| 6CK3 | $4.00 | |
| 6CK4 | $7.00 | $4.00 |
| 6CK5 | $7.00 | |
| 6CK6 | $9.00 | |
| 6CL3 | $4.00 | |
| 6CL6 | $5.00 | $3.00 |
| 6CL8 | $5.00 | |
| 6CM3 | $5.00 | |
| 6CM4 | $4.00 | |
| 6CM5 | $8.00 | |
| 6CM6 | $5.00 | |
| 6CM7 | $3.00 | |
| 6CM8 | $3.50 | |
| 6CN6 | $15.00 | |
| 6CN7 | $3.00 | |
| 6CQ4 | $3.00 | |
| 6CQ6 | $3.00 | |
| 6CQ8 | $3.00 | |
| 6CR6 | $2.00 | |
| 6CS6 | $4.00 | |
| 6CT3 | $8.00 | |
| 6CT7 | $5.00 | |
| 6CU5 | $3.50 | |
| 6CU7 | $5.00 | |
| 6CU8 | $3.00 | |
| 6CV7 | $5.00 | |
| 6CW4 | $9.00 | $4.00 |
| 6CW5 | $6.00 | $3.00 |
| 6CW7 | $4.50 | |
| 6CX8 | $5.00 | |
| 6CY5 | $5.00 | |
| 6CY7 | $5.00 | |
| 6CZ5 | $9.00 | $4.00 |
| 6D2 | $3.00 | |
| 6D4 | $5.00 | |
| 6D5 | $35.00 | $20.00 |
| 6D6 | $5.00 | $2.50 |
| 6D7 | $6.00 | $3.00 |
| 6D8 | $8.00 | $4.00 |
| 6D10 | $9.00 | $5.00 |
| 6DA4 | $2.00 | |
| 6DA5 | $6.00 | $3.00 |
| 6DA6 | $8.00 | $4.00 |
| 6DB5 | $2.00 | |
| 6DB6 | $5.00 | |
| 6DB6 | $5.00 | |
| 6DC6 | $5.50 | |
| 6DC8 | $4.50 | |
| 6DE4 | $3.00 | |
| 6DE6 | $2.00 | |
| 6DE7 | $5.00 | |
| 6DG4 | $40.00 | |
| 6DHH12 | $2.50 | |
| 6DHH13 | $2.50 | |
| 6DJ8 | $9.00 | $4.50 |
| 6DK3 | $5.00 | |
| 6DK6 | $3.50 | |
| 6DL3 | $5.00 | |
| 6DL4 | $5.00 | |
| 6DL5 | $5.00 | |
| 6DM4 | $3.00 | |
| 6DN3 | $5.00 | |
| 6DN6 | $5.00 | |
| 6DN7 | $4.50 | |
| 6DQ3 | $8.00 | |
| 6DQ5 | $8.00 | $4.00 |
| 6DQ6 | $6.00 | |
| 6DR4 | $5.00 | |
| 6DR7 | $5.00 | |
| 6DR8 | $4.00 | |
| 6DS4 | $9.00 | $4.00 |
| 6DS5 | $2.00 | |
| 6DS8 | $3.50 | |
| 6DT5 | $2.00 | |
| 6DT6 | $3.00 | |
| 6DT8 | $2.00 | |
| 6DV4 | $6.00 | |
| 6DW5 | $6.00 | |
| 6DX6 | $4.00 | |
| 6DX8 | $4.50 | |
| 6DY5 | $4.00 | |
| 6DZ4 | $4.00 | |
| 6DZ7 | $12.00 |