It was determined that the pair tube was made of RFT from the 6CA7 compatible sphere structure. Measured value 44/42 (rejected value 30) with original box all printing on one side has disappeared, and the printing is also often erased on the other side*Pairs are judged based on GM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
It was determined that the pair tube was made of RFT from the 6CA7 compatible sphere structure. Measured value 44/42 (rejected value 30) with white box both tubes have tube burn and getter burns, so they are inexpensive ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
It was determined that the pair tube was made of RFT from the 6CA7 compatible sphere structure. Measured value 44/44 (rejected value 30) with white box both tubes have tube burn and getter burn, so they are inexpensive ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
It was determined that the pair tube was made of RFT from the 6CA7 compatible sphere structure. Measured value 44/44 (rejected value 30) with replacement box, both tubes have tube burns, getter burns, and printing on one side is often erased, so they are inexpensive ※Pairs are judged based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
The price has been reduced. 2025/7/9 sales price 89,800 yen This is a speaker with a TELEFUNKEN (LOEWE OPTA) full range unit installed in a BARONET type enclosure. The enclosure's baffle has been replaced with a Corian board. Net dirt is conspicuous (Daiki Goto)
Maintenance information: 2025.7.9 operation confirmed
Accessories: none
Main specifications: W375 x H575 x D250 mm 11.5 kg (actual measurement)
The price has been reduced. 2017/12/25 sales price 60,000 yen The test machine hasn't been checked, so it's being handed over as is. (The heater was OK to conduct. (Filament checks with tube checkers or amplifiers are not performed.) Sold as a single.
The price has been reduced. 2017/12/25 sales price 40,000 yen The test machine hasn't been checked, so it's being handed over as is. (The heater was OK to conduct. (Filament checks with tube checkers or amplifiers are not performed.) Sold as 1.
※There is a TELEFUNKEN ECC803S, but the printing was determined to be CV4004 from the structure, and the printing was determined to be a reprint. The plate is not a box type, only one side of the rib plate is caulked. Sold in 1 bottle, ECC83/M8137 equivalent tube, measured value 44 (rejected value 32) with a replacement box ※The measured value indicates the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
※There is a TELEFUNKEN ECC803S, but the printing was determined to be CV4004 based on the structure. The plate is not a box type, only one side of the rib plate is caulked. Sold in 1 bottle, ECC83/M8137 equivalent tube, measured value 36 (rejected value 32) with replacement box ※The measured value indicates the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing was a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 38 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing is CV4004, the printing is a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 42 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box