The IP-2700 series of power supplies was introduced in 1975. The series included four different types which each could be ordered as kit or assembled, and with analog or digital display:

• 60V 1,5A  IP-2700: kit, analog - SP-2700: assembled, analog - IP-2701: kit, digital - SP-2701: assembled, digital
• 30V 3A  IP-2710: kit, analog - SP-2710: assembled, analog - IP-2711: kit, digital - SP-2711: assembled, digital
• 15V 5A IP-2720: kit, analog - SP-2720: assembled, analog - IP-2721: kit, digital - SP-2721: assembled, digital
• 7.5V 10A  IP-2730: kit, analog - SP-2730: assembled, analog - IP-2731: kit, digital - SP-2731: assembled, digital

This assembled version SP-2710 with digital display was produced from 1975 till 1981.