MM HD 130 bass mod
jochen.wendeba…
| MM HD 130 bass mod |
Music Man Amps Discussion Forum » Tubes & Substitutions » MM HD 130 bass mod
| Author | Message | ||
| Mike Algozino (mike_a) Username: mike_a Registered: 10-2012 |
anyone know what it would involve to change from the EL34/6ca7 tubes to 6550 tubes. I use the amp strictly for bass and from what I understand the 6550 is a excellent tube for bass. In addition its more available and less expensive than the NOS 6ca7. |